CN106219986A - A kind of devitrified glass of the corrosion of resistance to aluminum and preparation method thereof - Google Patents
A kind of devitrified glass of the corrosion of resistance to aluminum and preparation method thereof Download PDFInfo
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- CN106219986A CN106219986A CN201610557455.2A CN201610557455A CN106219986A CN 106219986 A CN106219986 A CN 106219986A CN 201610557455 A CN201610557455 A CN 201610557455A CN 106219986 A CN106219986 A CN 106219986A
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- aluminum
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The devitrified glass that the invention discloses a kind of corrosion of resistance to aluminum and preparation method thereof coating, in parts by weight, its raw material consists of: Al2O3 5 ~ 15%, B2O3 20 ~ 35%, SiO2 15 ~ 25%, M2O 20 ~ 35%, RO 10 ~ 20%；The most each raw materials quality mark sum is 100%；Wherein RO is by Co2O3And MnO21:1 in mass ratio mixes.MnO in glass2And Co2O3React with the oxide of metal base surface, generate fine and close MnFe at interface2O4And CoFe2O4Spinel layer, not only significantly improves the adhesive force of devitrified glass and metal base, and can completely cut off metal base and air and aluminum liquid, effectively stops thermal oxide and the aluminum corrosion of base material；Secondly, K in glass2O and Na2O can not only improve the mobility of devitrified glass, acceleration of sintering process, and can improve the thermal shock resistance of coating.
Description
Technical field
The invention belongs to the corrosion of the resistance to aluminum field of metal base, be specifically related to a kind of corrosion of resistance to aluminum devitrified glass and
Its preparation method.
Background technology
Aluminum and alloy yield thereof occupy first of nonferrous materials, are widely used in the fields such as traffic, the energy, food, electronics.
But aluminum liquid is one of molten metal that corrosivity is the strongest, easily cause directly in melting, shaping (casting) and the production of hot-dip aluminizing
The corrosion of contact material, substantially reduces the service life of these materials.Additionally, the dissolving that material is in aluminum liquid may be polluted
Aluminum liquid, makes aluminum and alloy product hydraulic performance decline thereof, even scraps.Improve the corrosion of the resistance to aluminum performance of material, can effectively solve aluminum
Liquid pollutes, aluminum melting container corrosion is bored a hole and aluminum mould glues a series of etching problems such as aluminum.Solve these problems, for improving
The quality of production and efficiency, prolongation container and mold use life-span, reduce cost, increase economic efficiency, all have realistic meaning.Its
In, the material utilizing the method for metal surface coated ceramic coating to prepare, there is characteristic high temperature resistant, wear-resistant, corrosion resistant, with ferrum
The advantages such as base adhesion-tight, thermal shock resistance are excellent, the corrosion of resistance to aluminum performance is good, can extend and aluminum liquid contact site effectively
The service life of part, and coating consumption can be substantially reduced and coat man-hour.But, the sintering of ceramic coating needs at higher temperature
(generally more than 800 DEG C) is carried out, and the base materials such as carbon steel and low alloy steel are at this warm area severe oxidation, generate crisp oxidation
Layer, it is difficult to be effectively combined with ceramic coating.
Summary of the invention
In order to solve the problems referred to above, the invention discloses devitrified glass of a kind of corrosion of resistance to aluminum and preparation method thereof, logical
Cross the MnO in glass2And Co2O3Oxide (Fe with metal base surface2O3) reaction, fine and close MnFe is generated at interface2O4
And CoFe2O4Spinel layer, not only significantly improves the adhesive force of devitrified glass and metal base, and can completely cut off metal base
With air and aluminum liquid, effectively stoping thermal oxide and the aluminum corrosion of base material, the thermal shock resistance that spinelle self is good can also carry
Rise the thermal shock resistance of coating；Secondly, K in glass2O and Na2O can not only improve the mobility of devitrified glass, acceleration of sintering mistake
Journey, and with the SiO in glass2And Al2O3Form the Anhydrite phase (KAlSi of needle-like3O8And NaAlSi3O8), improve painting further
The thermal shock resistance of layer.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that
The devitrified glass of a kind of corrosion of resistance to aluminum, in parts by weight, its raw material consists of: Al2O3 5% ~ 15%, B2O3 20%~
35%, SiO2 15% ~ 25%, M2O 20% ~ 35%, RO 10% ~ 20%；The most each raw materials quality mark sum is 100%；Wherein, M2O
For Li2O、K2O、Na2O、Rb2O or Cs2One or more mixture in O, RO is by Co2O3And MnO21:1 in mass ratio mixing and
Become.
A kind of method of devitrified glass preparing the corrosion of resistance to aluminum as above, comprises the following steps:
(1) uniform mix: take analytical pure raw material: Al2O3、B2O3、SiO2、M2O and RO, with planetary ball mill ball milling 24-48
Hour, it is allowed to mix homogeneously；
(2) dispensing is pulverized and is dried: by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
(3) sintering: platinum crucible is placed in resistance furnace, founds through 1100-1200 DEG C in air atmosphere, temperature retention time 1-
4 hours；To the vitreous humour melted, carry out chilling, it is thus achieved that glass frit, glass frit grind into powder is crossed 100 mesh sieves, system
Obtain microcrystalline glass powder.
The application of the devitrified glass of the described corrosion of resistance to aluminum: devitrified glass is mixed with binding agent, dispersant and solvent
Form slurry, in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on metal base surface；Entirety is put into
In the middle of resistance furnace, with the ramp of 1-5 DEG C/min in electric furnace, it is incubated 0.5-4 hour at 400-450 DEG C；Then with 1-5
DEG C/ramp of min is incubated 0.5-4 hour to 650-750 DEG C, i.e. sinter.
Wherein, devitrified glass with the mass ratio of binding agent, dispersant and solvent is: 80:2:1:17.
Described binding agent is epoxy resin, methylcellulose, polyvinyl butyral resin, the one or several in polyvinyl alcohol
The mixture planted；Described dispersant is the mixed of one or more in fish oil, polyacrylic acid, polyvinyl alcohol, polyacrylamide
Compound；Described solvent is the mixture of one or more in isopropanol, n-butyl alcohol, toluene, dimethylbenzene, acetone, butanone.
Remarkable advantage herein is:
(1) MnO in glass2And Co2O3Oxide (Fe with metal base surface2O3) reaction, densification is generated at interface
MnFe2O4And CoFe2O4Spinel layer, not only significantly improves the adhesive force of devitrified glass and metal base, and can completely cut off gold
Belong to base material and air and aluminum liquid, effectively stop thermal oxide and the aluminum corrosion of base material；And the anti-thermal shock that spinelle self is good
Property can also promote the thermal shock resistance of coating；
(2) K in glass2O and Na2O can not only improve the mobile performance of devitrified glass, acceleration of sintering process, and and glass
In SiO2And Al2O3Form the Anhydrite phase (KAlSi of needle-like3O8And NaAlSi3O8), improve the thermal shock resistance of coating further；
(3) it is simple that what the present invention selected prepares raw material, is easy to get, process stabilizing.Selecting corresponding oxide is source material, makes them
Uniformly mixing, remains a high proportion of mixing and distribution state in fusing and subsequent heat treatment, low cost, and technique is simple, can
OK, practical and industrialized condition has been reached.
Accompanying drawing explanation
Fig. 1 is the XRD figure spectrum after the coating coating of embodiment 1-3；
Fig. 2 is the SEM figure after the coating coating of embodiment 4.
Detailed description of the invention
The devitrified glass of a kind of corrosion of resistance to aluminum, in parts by weight, its raw material consists of: Al2O3 5% ~ 15%, B2O3
20% ~ 35%, SiO2 15% ~ 25%, M2O 20% ~ 35%, RO 10% ~ 20%；The most each raw materials quality mark sum is 100%；Wherein,
M2O is Li2O、K2O、Na2O、Rb2O or Cs2One or more mixture in O, RO is by Co2O3And MnO21:1 in mass ratio mixes
Form.
A kind of method of devitrified glass preparing the corrosion of resistance to aluminum as above, comprises the following steps:
(1) uniform mix: take analytical pure raw material: Al2O3、B2O3、SiO2、M2O and RO, with planetary ball mill ball milling 24-48
Hour, it is allowed to mix homogeneously；
(2) dispensing is pulverized and is dried: by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
(3) sintering: platinum crucible is placed in resistance furnace, founds through 1100-1200 DEG C in air atmosphere, temperature retention time 1-
4 hours；To the vitreous humour melted, carry out chilling, it is thus achieved that glass frit, glass frit grind into powder is crossed 100 mesh sieves, system
Obtain microcrystalline glass powder.
The application of the devitrified glass of the described corrosion of resistance to aluminum: devitrified glass is mixed with binding agent, dispersant and solvent
Form slurry, in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on metal base surface；Entirety is put into
In the middle of resistance furnace, with the ramp of 1-5 DEG C/min in electric furnace, it is incubated 0.5-4 hour at 400-450 DEG C；Then with 1-5
DEG C/ramp of min is incubated 0.5-4 hour to 650-750 DEG C, i.e. sinter.
Wherein, devitrified glass with the mass ratio of binding agent, dispersant and solvent is: 80:2:1:17.
Described binding agent is epoxy resin, methylcellulose, polyvinyl butyral resin, the one or several in polyvinyl alcohol
The mixture planted；Described dispersant is the mixed of one or more in fish oil, polyacrylic acid, polyvinyl alcohol, polyacrylamide
Compound；Described solvent is the mixture of one or more in isopropanol, n-butyl alcohol, toluene, dimethylbenzene, acetone, butanone.
For the openest rather than restriction present invention, below in conjunction with example, the present invention is described in further detail.
Table 1 is sealing glass ceramic component table (mass fraction) in embodiment 1-4
Embodiment 1
A kind of method of devitrified glass preparing the corrosion of resistance to aluminum, comprises the following steps:
1) according to the proportioning of each component of table 1, analytical pure raw material (Al is weighed2O3、B2O3、SiO2、K2O、Na2O、Co2O3With
MnO2), with 24 hours mix homogeneously of planetary ball mill ball milling；
2) by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
3) being placed in chamber type electric resistance furnace by platinum crucible, in air atmosphere, be heated to 1100 DEG C with 3 DEG C/min, insulation 1 is little
Time；Then, take out crucible, melt is poured into chilling in deionized water, be dried the fragment obtaining glass melt；Grind, cross 100 mesh
Sieve, obtains glass powder.
Concrete application: by glass dust and polyvinyl alcohol, fish oil, acetone and toluene (mass percent is followed successively by 80%, 2%,
1%, 10%, 7%) being mixed into slurry, in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on Metal Substrate body surface
Face；Entirety is put in the middle of resistance furnace, with the ramp of 2 DEG C/min in electric furnace, be incubated 1 hour at 420 DEG C, then with 2
DEG C/ramp of min to 680 DEG C of Crystallizing treatment 2 hours, i.e. sinter；Fig. 1 shows, the Co of interpolation2O3And MnO2At height
With metallic matrix generation interfacial reaction at Wen, thus generate MnFe2O4And CoFe2O4, generate thermal shock resistance in interface good
Spinelle.
Embodiment 2
A kind of method of devitrified glass preparing the corrosion of resistance to aluminum, comprises the following steps:
1) according to the proportioning of each component of table 1, analytical pure raw material (Al is weighed2O3、B2O3、SiO2、K2O、Na2O、Co2O3With
MnO2), with 24 hours mix homogeneously of planetary ball mill ball milling；
2) by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
3) being placed in chamber type electric resistance furnace by platinum crucible, in air atmosphere, be heated to 1120 DEG C with 3 DEG C/min, insulation 1 is little
Time；Then, take out crucible, melt is poured into chilling in deionized water, be dried the fragment obtaining glass melt；Grind, cross 100 mesh
Sieve, obtains glass powder.
Concrete application: by glass dust and polyvinyl alcohol, fish oil, acetone and toluene (mass percent is followed successively by 80%, 2%,
1%, 10%, 7%) being mixed into slurry, in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on Metal Substrate body surface
Face；Entirety is put in the middle of resistance furnace, with the ramp of 2 DEG C/min in electric furnace, be incubated 1 hour at 420 DEG C, then with 2
DEG C/ramp of min to 680 DEG C of Crystallizing treatment 2 hours, i.e. sinter.
Embodiment 3
A kind of method of devitrified glass preparing the corrosion of resistance to aluminum, comprises the following steps:
1) according to the proportioning of each component of table 1, analytical pure raw material (Al is weighed2O3、B2O3、SiO2、K2O、Na2O、Co2O3With
MnO2), with 24 hours mix homogeneously of planetary ball mill ball milling；
2) by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
3) being placed in chamber type electric resistance furnace by platinum crucible, in air atmosphere, be heated to 1180 DEG C with 3 DEG C/min, insulation 1 is little
Time；Then, take out crucible, melt is poured into chilling in deionized water, be dried the fragment obtaining glass melt；Grind, cross 100 mesh
Sieve, obtains glass powder.
Concrete application: by glass dust and polyvinyl alcohol, fish oil, acetone and toluene (mass percent is followed successively by 80%, 2%,
1%, 10%, 7%) being mixed into slurry, in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on Metal Substrate body surface
Face；Entirety is put in the middle of resistance furnace, with the ramp of 2 DEG C/min in electric furnace, be incubated 1 hour at 420 DEG C, then with 2
DEG C/ramp of min to 680 DEG C of Crystallizing treatment 2 hours, i.e. sinter.Fig. 1 shows, along with SiO2Addition increases, and promotees
The growth having entered spinelle crystal grain is grown up.
Embodiment 4
A kind of method of devitrified glass preparing the corrosion of resistance to aluminum, comprises the following steps:
1) according to the proportioning of each component of table 1, analytical pure raw material (Al is weighed2O3、B2O3、SiO2、K2O、Na2O、Co2O3With
MnO2), with 24 hours mix homogeneously of planetary ball mill ball milling；
2) by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
3) being placed in chamber type electric resistance furnace by platinum crucible, in air atmosphere, be heated to 1150 DEG C with 3 DEG C/min, insulation 1 is little
Time；Then, take out crucible, melt is poured into chilling in deionized water, be dried the fragment obtaining glass melt；Grind, cross 100 mesh
Sieve, obtains glass powder.
Concrete application: by glass dust and polyvinyl alcohol, fish oil, acetone and toluene (mass percent is followed successively by 80%, 2%,
1%, 10%, 7%) being mixed into slurry, in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on Metal Substrate body surface
Face；Entirety is put in the middle of resistance furnace, with the ramp of 2 DEG C/min in electric furnace, be incubated 1 hour at 420 DEG C, then with 2
DEG C/ramp of min to 680 DEG C of Crystallizing treatment 2 hours, i.e. sinter.Fig. 2 shows, the MnO in glass2And Co2O3With
Oxide (the Fe of metal base surface2O3) reaction, fine and close MnFe is generated at interface2O4And CoFe2O4Spinel layer.
The invention mainly relates to the corrosion of resistance to aluminum field, but be not restricted to that aluminum corrosion field, it is also possible to be used for being similar to
High intermediate temperature sealing between metal and pottery, and the field such as the thermal oxidation resistance application of metal base.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (5)
1. the devitrified glass of the corrosion of resistance to aluminum, it is characterised in that: in parts by weight, its raw material consists of: Al2O3 5%~
15%, B2O3 20% ~ 35%, SiO2 15% ~ 25%, M2O 20% ~ 35%, RO 10% ~ 20%；The most each raw materials quality mark sum is
100%；Wherein, M2O is Li2O、K2O、Na2O、Rb2O or Cs2One or more mixture in O, RO is by Co2O3And MnO2By matter
Amount mixes than 1:1.
2. the method for the devitrified glass preparing the corrosion of resistance to aluminum as claimed in claim 1, it is characterised in that: include following
Step:
(1) uniform mix: take analytical pure raw material: Al2O3、B2O3、SiO2、M2O and RO, with planetary ball mill ball milling 24-48
Hour, it is allowed to mix homogeneously；
(2) dispensing is pulverized and is dried: by size-reduced, dried for the material after step (1) ball milling, pour in platinum crucible；
(3) sintering: platinum crucible is placed in resistance furnace, founds through 1100-1200 DEG C in air atmosphere, temperature retention time 1-
4 hours；To the vitreous humour melted, carry out chilling, it is thus achieved that glass frit, glass frit grind into powder is crossed 100 mesh sieves, system
Obtain microcrystalline glass powder.
3. the application of the devitrified glass of the corrosion of resistance to aluminum as claimed in claim 1, it is characterised in that: by devitrified glass with
Binding agent, dispersant and solvent are mixed into slurry, and in ball mill, ball milling is dispersed；By the method for silk screen printing, it is coated on
Metal base surface；Entirety is put in the middle of resistance furnace, with the ramp of 1-5 DEG C/min in electric furnace, 400-450 DEG C of guarantor
Temperature 0.5-4 hour；Then it is incubated 0.5-4 hour with the ramp of 1-5 DEG C/min to 650-750 DEG C, has i.e. sintered.
The application of the devitrified glass of the corrosion of resistance to aluminum the most according to claim 3, it is characterised in that: devitrified glass and bonding
The mass ratio of agent, dispersant and solvent is: 80:2:1:17.
The application of the devitrified glass of the corrosion of resistance to aluminum the most according to claim 3, it is characterised in that: described binding agent is
Epoxy resin, methylcellulose, polyvinyl butyral resin, the mixture of one or more in polyvinyl alcohol；Described dispersion
Agent is the mixture of one or more in fish oil, polyacrylic acid, polyvinyl alcohol, polyacrylamide；Described solvent is isopropyl
The mixture of one or more in alcohol, n-butyl alcohol, toluene, dimethylbenzene, acetone, butanone.
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| CN201610557455.2A CN106219986B (en) | 2016-07-15 | 2016-07-15 | A kind of devitrified glass and preparation method thereof of resistance to molten aluminum corrosion |
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|---|---|---|---|
| CN201610557455.2A CN106219986B (en) | 2016-07-15 | 2016-07-15 | A kind of devitrified glass and preparation method thereof of resistance to molten aluminum corrosion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117069382A (en) * | 2023-08-21 | 2023-11-17 | 贵州晶垚无机材料有限公司 | Microcrystalline glass powder, preparation method thereof and electrolytic prebaked anode anti-oxidation protection slurry based on microcrystalline glass powder |
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| CN117069382A (en) * | 2023-08-21 | 2023-11-17 | 贵州晶垚无机材料有限公司 | Microcrystalline glass powder, preparation method thereof and electrolytic prebaked anode anti-oxidation protection slurry based on microcrystalline glass powder |
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